fix: add missing check to isNumber

lukemorales · Mar 13, 2024 · 0f0e739 · 0f0e739
1 parent bb42ee6
commit 0f0e739
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/number.ts b/src/number.ts
@@ -5,7 +5,7 @@ import {
 } from './option';
 
 export function isNumber(value: unknown): value is number {
-  return !Number.isNaN(value);
+  return typeof value === 'number' && !Number.isNaN(value);
 }
 
 export function add(addend: number): (augend: number) => number {